rd july 2019 (answers below) 1. what are the pros and cons of the … · 2019. 7. 10. ·...
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QUIZ3rdJuly2019(answersbelow)
1. WhataretheprosandconsoftheLUCASdevice?
2. WhatisECMO?
3. WhatarethecriteriaforeCPRactivation?
4. Whatarethe3phasesofeCPR?
5. DescribeandinterpretthefollowingECG.
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QUIZanswers3rdJuly2019
1. WhataretheprosandconsoftheLUCASdevice?The LUCAS was designed to replicate our manual chest compressions in terms ofrecommendedrateanddepth,sonotsurprisinglystudieshavenotshowntheLUCAScompressions to be superior tomanual compressions. Having said that, the cup issupposedtopullthechestwallupwardsinadditiontopushingdownwards.
Therearethefollowingbenefits:1. Patient transport - Patients canhave chest compressionswhile travelling in
anambulance,beingtransferredtotheangiographysuite,etc.2. Patientaccess-easiertoaccessthepatientforproceduressuchasECMO3. Continuousandreliablecompressions-theLUCASdoesn’tgettired4. Defibrillation-ShockscanbedeliveredduringLUCASchestcompressions
Thedrawbacks:1. ChestcompressionshavetopauseinordertoapplytheLUCAS.
MinimisedbyapplyingtheLUCASswiftlyduringarhythmcheck.2. Injurytopatient
In addition to skin and skeletal trauma, there are case reports ofsignificant and life-threatening abdominal trauma using mechanicalchest compression devices. At this stage, there is no clear evidencethat the LUCAS is any more traumatic than manual chestcompressions
PlatenkampM,OtterspoorLC.Complicationsofmechanicalchestcompressiondevices.NetherlandsHeartJournal.2014;22(9):404-407
2. WhatisECMO?ExtraCorporealMembraneOxygenation
VVECMO=Veno-VenousECMO:Venous blood is accessed from the large central veins, pumped through theoxygenator and returned to the venous system near the right atrium. It providessupport for severe respiratory failure where the circulation is powered entirely bynativecardiacfunction.
VAECMO=Veno-ArterialECMO:Venous blood is accessed from the large central veins, pumped through theoxygenator and returned to the systemic arterial system in the aorta. It providessupportforseverecardiacfailure(withorwithoutassociatedrespiratoryfailure).
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3. WhatarethecriteriaforeCPRactivation?Monday–Friday8am–5pmANDfitallthecriteria:
• ThecardiacarrestislikelytobeofprimarycardiacorrespiratorycauseOrifnoncardiac,thecauseislikelyreversible(eghypothermia,overdose)
• Thecardiacarrestwaswitnessedbyabystanderorparamedic• Chestcompressionswerecommencedwithin10minutes• Thecardiacarrestduration(collapsetoarrivalinED)hasbeen<60minutes• Thepatientisaged16–70years• Therearenomajorcomorbiditiesthatwouldprecludereturntoindependent
living
4. Whatarethe3phasesofeCPR?
I. ACTIVATION• Batphonecallreceived• EDteamleaderdecidestomakeeCPRcall555• Teamassembles,rolesassigned,preparation
II. PRE-CANNULATION
• Arrival• StandardALSwithLUCASinplace• AirwaySecurewithEtCO2• IVaccessandbloodgas• Exposegroinandshave• ContactCathlab
III. CANNULATION
• Commencesatskinprep• LUCAScontinues,CEASEdefibrillation• Continuetoseekreversiblecauses• USguidedcannulationfemoralarteryandvein• ConfirmationofwireplacementonTOE• Heparin5000UIV• AttachmenttoECMOcircuit
OnceonECMOØ ConsiderfurtherdefibrillationattemptØ TransfertoCathLab
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5. DescribeandinterpretthefollowingECG.Rate Regular178/minPwaves MaybeafewdissociatedPwavesQRS Slightlywide0.13sec RBBB LAD-90degrees ShortRSinterval BrugadacriteriaforRBBBmorphologyVT
- MonophasicRinV1- DeepSwaveinV6withR:S<1
ST NosignificantshiftTwaves AppropriateforRBBB
è VentriculartachycardiaQRSisonlyslightlywideRBBBmorphology
LADè ConsistentwithposteriorfascicularVT